func main() {
if len(os.Args) != 2 {
fmt.Fprintf(os.Stderr, "usage: keygen <dns name>\n")
os.Exit(1)
}
key, err := dnsc.Keygen(os.Args[1])
if err != nil {
fmt.Fprint(os.Stderr, "error executing dnssec-keygen\n")
fmt.Fprintf(os.Stderr, "%v\n", err)
}
fmt.Printf("key: %s\n", key)
}
func generateDnsServerConfig() error {
var spec dnsc.ServerSpec
spec.Xpname = design.Name
spec.FQDN = "dns." + spec.Xpname + ".cypress.net"
spec.Addr = "2001:cc:0:0::d47"
for _, e := range design.Elements {
switch e.(type) {
case addie.Computer:
c := e.(addie.Computer)
cs := dnsc.ClientSpec{}
cs.FQDN = fmt.Sprintf("%s.%s.cypress.net", c.Name, design.Name)
key, err := dnsc.Keygen(cs.FQDN)
if err != nil {
return err
}
cs.Key = key
spec.Clients = append(spec.Clients, cs)
case addie.Sax:
s := e.(addie.Sax)
cs := dnsc.ClientSpec{}
cs.FQDN = fmt.Sprintf("%s.%s.cypress.net", s.Name, design.Name)
key, err := dnsc.Keygen(cs.FQDN)
if err != nil {
return err
}
cs.Key = key
spec.Clients = append(spec.Clients, cs)
}
}
js, err := json.MarshalIndent(spec, "", " ")
if err != nil {
log.Println(err)
return fmt.Errorf("Failed to marshal dns server spec")
}
dir := userDir() + "/" + design.Name + ".dns"
os.MkdirAll(dir, 0755)
err = ioutil.WriteFile(dir+"/server_spec.json", js, 0644)
if err != nil {
log.Println(err)
return fmt.Errorf("Failed to write dns spec file")
}
for _, cs := range spec.Clients {
js, err = json.MarshalIndent(cs, "", " ")
if err != nil {
log.Println(err)
return fmt.Errorf("Failed to marshal dns client spec")
}
shortname := strings.Split(cs.FQDN, ".")[0]
err = ioutil.WriteFile(dir+"/"+shortname+".json", js, 0644)
if err != nil {
log.Println(err)
return fmt.Errorf("Failed to write dns client file")
}
}
return nil
}